diff options
Diffstat (limited to 'src/backend/optimizer')
| -rw-r--r-- | src/backend/optimizer/plan/planner.c | 1 | ||||
| -rw-r--r-- | src/backend/optimizer/plan/setrefs.c | 5 |
2 files changed, 6 insertions, 0 deletions
diff --git a/src/backend/optimizer/plan/planner.c b/src/backend/optimizer/plan/planner.c index 06be922929..e1ee67cd60 100644 --- a/src/backend/optimizer/plan/planner.c +++ b/src/backend/optimizer/plan/planner.c @@ -196,6 +196,7 @@ standard_planner(Query *parse, int cursorOptions, ParamListInfo boundParams) glob->nParamExec = 0; glob->lastPHId = 0; glob->lastRowMarkId = 0; + glob->lastPlanNodeId = 0; glob->transientPlan = false; glob->hasRowSecurity = false; diff --git a/src/backend/optimizer/plan/setrefs.c b/src/backend/optimizer/plan/setrefs.c index daeb5842d0..3c8169725a 100644 --- a/src/backend/optimizer/plan/setrefs.c +++ b/src/backend/optimizer/plan/setrefs.c @@ -174,6 +174,8 @@ static bool extract_query_dependencies_walker(Node *node, * Currently, relations and user-defined functions are the only types of * objects that are explicitly tracked this way. * + * 7. We assign every plan node in the tree a unique ID. + * * We also perform one final optimization step, which is to delete * SubqueryScan plan nodes that aren't doing anything useful (ie, have * no qual and a no-op targetlist). The reason for doing this last is that @@ -436,6 +438,9 @@ set_plan_refs(PlannerInfo *root, Plan *plan, int rtoffset) if (plan == NULL) return NULL; + /* Assign this node a unique ID. */ + plan->plan_node_id = root->glob->lastPlanNodeId++; + /* * Plan-type-specific fixes */ |